body{
    height: auto;
}
.header{
    background: url(../img/ren12.jpg) no-repeat center center; 
    background-size: 185%;
    height: 720px;
}
.header nav{
    position: relative;
    overflow: visible;
}
.hidden{
    position: absolute;
    background: white; 
    width: 2000px;
    left: -243px;
    border-bottom: 1px solid #efbfbf;
    
}
.img{
    top: -600px;
}
